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Whats recommended and what is reality are 2 different things on these engines. To have that much clearance without a piston notch with the PI head your cams must be installed at like 114+ intake centerlines which is a very late opening point. The stock cams barely give 0.080" once they are advanced to a proper intake centerline.
Well if you still have lifter noise and you know you have clearance pull the valve cover and see if any of the tops of the valves are not in line with the others. I have found valves bent at the top as well on these engines.
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I will take them off, but the noise has been there since the build was done..It was louder when we first started the car but it did some what get quieter with time..Also if I had a bent valve after two or three trips to the drag strip. I believe I would know by now.. Because I drive it pretty hard at the track..Its basically a weekend car to have fun in. MPH in GA did all my tuning and said my cams are right on.
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97 Gt with PI Head Swap and 270 comp cams
Long tube headers with mac x pipe and flows Cold air intake, under drive pulleys
Nitrous Express Plate Kit (100 wet shot)
FR500 F17x9 R17x10.5 with 315 drag radials
Sct Xcal3 tuned by MPH
384.hp 421 tq
Are your cams degreed in and if so what is the intake centerline?
Another thing is the valve stem height as these engines are very sensitive to it. I keep a narrow plus 0.015" minus 0.010" max spec on my heads as going outside of this not only changes the rocker ratio slightly it can make a noisy valve train. Whoever did your heads should be able to tell you what specs they use.
I replaced the timing set and that fixed my noise..Also new lash adjusters and rockers..Thank god it was something simple but still costly...
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97 Gt with PI Head Swap and 270 comp cams
Long tube headers with mac x pipe and flows Cold air intake, under drive pulleys
Nitrous Express Plate Kit (100 wet shot)
FR500 F17x9 R17x10.5 with 315 drag radials
Sct Xcal3 tuned by MPH
384.hp 421 tq
Hello I two am having the same issue. I have a 98 cobra and I am getting a ticking noise in the right head. When the car warms up it almost goes away execpt at idle. I have had three diffrent mechanic friends of mine listen to this noise and we all agree its a lash adjuster, jeff37110 I was wondering if you could post a video of the noise I am curious to hear it, I would be pissed to replace all 16 lash adjusters in that head and doesnt fix the tick. No tick at all going down the road only first crank up til oil pressure builds up good and at idle.
Thanks
We replaced all the timing set and adjusters,etc..Because we used my old stuff when we did the head swap...I figured it wouldnt hurt to put new stuff in there..I should have done that in the first place.lol..
How many miles on your car z06 Saleen?
__________________
97 Gt with PI Head Swap and 270 comp cams
Long tube headers with mac x pipe and flows Cold air intake, under drive pulleys
Nitrous Express Plate Kit (100 wet shot)
FR500 F17x9 R17x10.5 with 315 drag radials
Sct Xcal3 tuned by MPH
384.hp 421 tq
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